Hierarchically-structured hollow CuO microparticles for efficient photo-degradation of a model pollutant dye under the solar light illumination

Anara Molkenova, Sagyntay Sarsenov, Shanazar Atabaev, Laura Khamkhash, Timur Sh Atabaev

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, hierarchically-structured hollow CuO microspheres were utilized for potential solar light-assisted degradation of a model pollutant dye. Morphological analysis revealed that prepared hollow CuO microspheres (~9–16 µm) composed of small crystal strips pointed towards the center of the microsphere. Nitrogen adsorption–desorption experiments revealed that prepared hollow CuO microspheres have a specific surface area of ~12.184 m2/g. It was shown that prepared CuO microspheres can be used as an effective H2O2-assisted solar light-activated photocatalyst. In particular, prepared CuO microspheres significantly accelerate the degradation rate of aqueous Rhodamine B dye solution as compared to some other CuO structures reported to date. The recyclability study revealed that these CuO microspheres can be re-used several times without losing the photocatalytic activity.

Original languageEnglish
Article number100507
JournalEnvironmental Nanotechnology, Monitoring and Management
Volume16
DOIs
Publication statusPublished - Jun 25 2021

Keywords

  • CuO
  • Dye degradation
  • Hollow microparticles
  • Photocatalyst
  • Rhodamine B

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution
  • Management, Monitoring, Policy and Law

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